Historical essay of the massive underground canal system built in Biddeford in the mid-19th century to power the Pepperell and Laconia textile mills. Includes photographs and maps. Written by Francis Spencer, the inventor of Vellux and one of the main figures in 20th century history of the textile industry in Biddeford, Maine. [Written circa 2000]
From Biddeford history collections - McArthur Public Library, Biddeford, Maine, USA (www.mcarthurlibrary.org)